LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Hyundai >> 2016 >> Azera Base >> Repair and Diagnosis >> Engine Performance >> Fuel Delivery >> Fuel Delivery System >> High Pressure Fuel Pump >> Repair procedures >> Removal
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Repair procedures: Removal

WARNING: In case of removing the high pressure fuel pump, high pressure fuel pipe, delivery pipe, and injector, there may be injury caused by leakage of the high pressure fuel. So don't do any repair work right after engine stops.
  1. Turn the ignition switch OFF and disconnect the battery negative (-) cable.
  2. Release the residual pressure in fuel line.

    (Refer to "RELEASE RESIDUAL PRESSURE IN FUEL LINE ")

    CAUTION: When removing the fuel pump relay, a Diagnostic Trouble Code (DTC) may occur.
    Delete the code with the GDS after completion of "RELEASE RESIDUAL PRESSURE IN FUEL LINE " work.
  3. Remove the pump foam (A).
    Fig 1: Pump Foam
    G10367590Courtesy of HYUNDAI MOTOR AMERICA
  4. Disconnect the fuel pressure control valve connector (A) and the fuel feed tube quick-connector (B).
    Fig 2: Fuel Pressure Control Valve Connector And Fuel Feed Tube Quick-Connector
    G10367591Courtesy of HYUNDAI MOTOR AMERICA
  5. Remove the intake manifold.

    (Refer to "INTAKE MANIFOLD ")

  6. Remove the injector foam (A).
    Fig 3: Injector Foam
    G10367592Courtesy of HYUNDAI MOTOR AMERICA
  7. Remove the high pressure fuel pipe.
    1. Remove the high pressure pipe flange nut in order of A, B with the special service tool [SST No.: 09314-3V100]
      Fig 4: Special Service Tool (1 Of 3)
      G10367593Courtesy of HYUNDAI MOTOR AMERICA
      Fig 5: Special Service Tool (2 Of 3)
      G10367594Courtesy of HYUNDAI MOTOR AMERICA
      Fig 6: Special Service Tool (3 Of 3)
      G10367595Courtesy of HYUNDAI MOTOR AMERICA
    2. Remove the high pressure pipe bracket bolt (A).
      Fig 7: High Pressure Pipe Bracket Bolt
      G10367596Courtesy of HYUNDAI MOTOR AMERICA
    3. Remove the function block installation bolt (A).
      Fig 8: Function Block Installation Bolt
      G10367597Courtesy of HYUNDAI MOTOR AMERICA
  8. Remove the installation bolts (A), and then remove the high pressure fuel pump (B) from the cylinder head assembly.
    CAUTION: Unscrew in turn the two bolts in small step (0.5 turns). In case of fully unscrewing one of the two bolts with the other bolt installed, the housing surface of the cylinder head may be broken because of tension of the pump spring.
    Fig 9: High Pressure Fuel Pump And Installation Bolts
    G10367598Courtesy of HYUNDAI MOTOR AMERICA